Electrical Works for Construction of 33 /0.44KV, 2X630 KVA Substation at Government College for Engineering and Technology, Safapora Ganderbal

Amount

SUB-STATION MAIN EQUIPMENT

Installation and commissioning 33 kV/440V 630 KVA Power Transformer at site. Power Transformer to be provided Departmentally.

Installation, testing and commissioning of 30 kV Lightening Arrestors (30 kV, 10kA, Station class, ZnO Polymer) gap less

Installation, testing and Commissioning of 33 kV Porcelain Post Insulator 36kV,170kV Impulse, creepage distance 1224m

Fixing, testing and Commissioning of 33kV Porcelain Pin Insulator 36kV, 10kN, Lighting Impulse 170kV Positive and 180kV Negative, creepage distance 900mm

Installation, testing and commissioning of 33 kV Isolator with Earthing Blade (36kV,1250A, Outdoor, 3 poles, 25 kA)

Supply, Installation, testing and commissioning of 33 kV Isolator with Earthing Blade (36kV,1250A, Outdoor, 3 poles, 25 kA)

Installation, testing and commissioning of 33 kV Isolator without Earthing Blade (36kV,1250A, Outdoor, 3 poles, 25 kA)

33 KV HT Metering CT & PT operated

Supply, Installation, testing and commissioning of 33kV CT/PT Combined Unit, 3-phase, 50 Hz, ONAN cooled, outdoor type. The combined unit, CTs and PTs shall be as per below specifications. The CT ratio shall be as under: I. 20/5 for 500kVA and 1 MVA, 33/0.44kV Transformers The rated burden of CT shall be 7VA, The PT shall be 33 kv/110 volts / √3, Three phase PT with rated burden 20VA per phase with proper colour coded identification. PTs shall be of uniform insulating and One minute power frequency dry withstand voltage 70KV

Supply, Fixing, testing and commissioning of Metering cubicle for 3phase 4 wire metering system suitable for 3 phase, HT, tri-vector meter with sealing and locking facility made of MS Sheet steel thickness not less than 2mm duly power coat painted suitable for indoor as well as outdoor as per the site requirement. The cubicle shall be painted through 7-tank process. The External dimensions should be adequate. Provided with synthetic or semi synthetic gasket firmly glued to the sufrace, Dust, weather and Vermin proof and shall comply degree of protection IP 65 both the chambers having one sided hinged door arrangments. The panel shall be provided with two No MS channels of size 100 x 50 mm on the front and rear sides duly welded and 4 No of lifting hooks. It should be possible to take meter reading manually, through CMRI and computer without opening door. Including supply and fixing of 75mm GI pipe between CT/PT combined unit and metering cubicle for CT/PT wiring to tri-vector meter

Supply and Fixing MS Channels for mounting CT PT Combined Units with nuts and bolts (size 100 x 50 x 5 mm)

Supply, Fixing, testing and commissioning 3Ph4 Wire HT CT/PT operated Fully static Smart Tri-Vector Energymeters DLMS Compliant Category 'C' with RS232 port . 33kV/√3 /110V/√3, Ph-N (3P, 4W) meters for measurement of different electrical parameters including Active Energy (kWh/ MWh), Reactive Energy (kVArh/MVArh), Apparent Energy (kVAh/ MVAh) etc. (make L&T, Secure or ABB)

Supply and Fixing PVC Copper wire flexible multi-strand of required size for secondary connections for CT wiring the minimum wire size shall be 4 mm2 (RYB) and for PT wiring minimum wire size shall be 2.5 mm2 (RYB)

Supply and Fixing Copper Lugs preferably ring type duly crimped for termination of wires and tapes

Supply and Fixing of ACSR Jumpers with hardware fittings like ACSR to CT/PT unit bush clamp, other hardwares as per site requirement

Supply, Fixing, testing and commissioning Earthing 40 mm GI Pipe or 20 mm GI rod, 2.5 mtr for CT/PT combination unit. Earthing of metering cubicle through two No 25 x 5 mm flat iron

STRUCTURES

Supply and Fixing of Galvanized Nuts & Bolts of sorts

Supply, Fixing and commissioning of Galvanized steel structure

Supply, Fixing, testing and commissioning of Channel Iron 100x50x50x6mm

Supply, Erection, testing and commissioning of Fabricated GI pipes (6"dia 10 ft long)

Supply and Laying of Chequered plates (1.5'x1.5' Sqft x8mm)

CONDUCTOR & HARDWARE

Supply, Laying, Stringing, testing and commissioning of 100 mm² ACSR Conductor - Dog

Supply, Fixing , testing and commissioning of 33kV Polymeric composite Disc Insulator 36KV,min failing load 70kN, Lighting Impulse 170kV Positive and 180kV Negative, creepage distance 900mm

Supply,Erection, testing and commissioning of 11 Mtr. Long Pole(PCC WL-360Kg, ST-410 SP56 (Job will include digging of pole pit & placing pole 1/6 of pole height below ground in position ) as per scope of work , approved drawing & Specifications

Supply, Fixing , testing and commissioning of Clamps of Sorts as per scope of work , approved drawing & Specifications

Proving and laying (including Carriage of Material) cement concrete for Cement Bottoming of ST poles 1:2:4 mix as per REC standards (0.6cum/pole)

Supply, Fixing , testing and commissioning of LT Distribution Box for 400/630 kVA DTR with MCCB for incomer & SFU's for Outgoing Circuits

Supply, Installation , testing and commissioning of Galvanised Stay Set with 50 x 8 mm stay clamp, guy insulator(2Nos.), anchor plate (300x 300 x 8 mm), nut-bolts, 2 Nos turn-buckles, 1.8m long, 20 mm diameter solid GS stay rod & 7/4.00 mm dia GI stranded wire complete

Supply, Fixing , testing and commissioning of Danger plates with Clamps

Supply, Fixing , testing and commissioning of Anti-Climbing Device with Clamps

Supply and Painting of Poles with Red Oxide as per scope of work

Supply and Painting of Poles with Aluminium Paint as per scope of work

m/s sahara